Reference: SIG/79
Sizes available: 1/2" to 12" (DN10 - DN300)
End connection: Tri-clamp / Tri-clamp
Body & Disc: AISI 304 or 316L, (EN1.4301/EN1.4404)
Seat: EPDM, VMQ (Silicone) or Viton (FPM), FDA approved.
Max. working pressure: 145psi (10bar)
Temperature range: 14°F ~ 248°F (-10°C ~ 120°C) as default, higher available upon request.
Operation: 3-position pull handle as the product photo showed
Sizes available: 1/2" to 12" (DN10 - DN300)
End connection: Tri-clamp / Tri-clamp
Body & Disc: AISI 304 or 316L, (EN1.4301/EN1.4404)
Seat: EPDM, VMQ (Silicone) or Viton (FPM), FDA approved.
Max. working pressure: 145psi (10bar)
Temperature range: 14°F ~ 248°F (-10°C ~ 120°C) as default, higher available upon request.
Operation: 3-position pull handle as the product photo showed
SIG/79 series are manual type Sanitary Stainless Steel Butterfly Valves with butt-welded / butt- welded ends, they are widely used in process piping systems for isolation and control. SIG/79 butterfly valve operates manually.
Body Material | AISI 304 or 316L (1.4301 / 1.4404) |
Other Steel Parts | AISI 304 |
Seat Material | Silicone (default) |
Seat Options | EPDM or Viton (FPM) |
Max. Working Pressure | 145psi (10bar) for DN25/1″-DN100/4″ |
116psi (8bar) for DN125/5″-DN150/6″ | |
73psi (5bar) for DN200/8″-DN300/12″ | |
Working Temperature | EPDM: 14 ~ 248°F (-10 ~ 120°C) |
Silicone: -58 ~ 356°F (-50 ~ +180°C) | |
Viton (FPM): -22 ~ 428°F (-30 ~ +220°C) | |
Sterilization Temperature | 150°C (302°F), Max. 20 min |
Internal Finish | Ra 16 ~ 32µin (0.4 ~ 0.8µm), Ra 32µin as default. |
External Finish | Ra 16 ~ 32µin (0.4 ~ 0.8µm), Ra 32µin as default. |
End Connections | butt-welded, sanitary tri-clamp, male and female threaded, flanged, I-line or others upon request. |
Handle Types | 4-position Pull handle; multi-position handle with plastic cover or in pure stainless steel, lockable multiposition handle. |
Design Features | Operations |
● All stainless construction, forged 304 or 316L grade stainless steel body & disc. | ● Handles Pull handle, three or four positions |
● FDA-approved seat materials: EPDM, Silicone, Viton (FPM). | Multipositioning handle with plastic cover |
● Sanitary surface finish, available with Ra < 0.4µm or EP (SF1 and SF4) | Multipositioning handle with stainless steel cover Lockable multiposition handle |
● Manual handle, pneumatic actuator and electric actuator are interchangeable | ● Actuators Pneumatic stainless steel actuator (vertical type) |
● A wide selection of different end connections | Pneumatic aluminum actuator (horizontal type) |
● Standards: DIN,SMS, ISO / IDF, BS / RJT, and ASME / BPE | Electric actuator |
● Certificates: FDA, PED 97/23/EC, ISO9001/2008 | ● Units for intelligent control and indication: |
● Suitable for low and medium viscosity fluids | Proximity Switches (position sensor) |
● 100% hydraulic tested / 100% inspected | Limit Switch |
● Repair Kits available consisting of seat and bushings | C-top control |
IL-top control (Positione) |